Abstract
Abstract. With the rapid urbanization and the dynamics in land transactions, Turkish cadastre, as in many other countries, is facing challenges in the daily recording of sales, donations, taxations, and mortgages on land. Especially with the modern constructions and complex interrelationships of rights, restrictions, and responsibilities (RRR), the third dimension should not be forgotten. In this context, the design of a new cadastre data model for Turkey is essential. Inspired by this need, with this study, we aim in proposing a new cadastre model based on international standards such as Land Administration Data Model (LADM) and CityGML. LADM represents the legal and administrative aspects of the cadastral objects but does not show the semantic and 3D geometrical representation of physical cadastral objects which are required for the process of 3D cadastre. Therefore, in the paper, we propose an Application Domain Extension (ADE) for the cadastral objects that expands the integration of LADM and CityGML data model with the legal and administrative concepts defined in the Turkish Law. The study presents a detailed overview of the Turkish legal cadastre system and a proposal for its physical realization based on international standards. In addition, the developed ADE is also valuable for cadastral services undertaken by the General Directorate of Land Registry and Cadastre (GDLRC). It could also be used as a basis of a 3D national data standard for cadastral information systems.
Highlights
From the late 1990s onwards, the work on 3D Cadastre has developed all over the world
Exploring the examples from 3D Cadastre worldwide, we found a lot of similarities
We analyse the differences and similarities between CityGML and Land Administration Data Model (LADM) using some of the criteria derived from (Kumar et al, 2019; Zadef et al, 2019, Rönsdorff et al, 2014)
Summary
From the late 1990s onwards, the work on 3D Cadastre has developed all over the world. The 3D cadastre should be a system where rights, restrictions, responsibilities (legal models) of buildings and properties are corresponding to their physical models (provision of registered rights above and below the 3D terrain surface) (Stoter, 2004; Papaefthymiou et al, 2004; Aien, 2013). In this way, 3D cadastre facilitates the management of property rights in the real world.
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